Details:

Artikel: T 212-A

Double flanged PTFE-lined butterfly valve for Shut-off and Control Services in the chemical industry.

Nominal diameter:

DN 350 – DN 900

Face-to-face:

EN 558 Series 20
ISO 5752 Series 20
API 609 Table 1

Flange accommodation:

EN 1092 PN 10/16
ASME Class 150
ASME B16.47, Serie A, Serie B
AS 4087

Flange Surface Design:

EN 1092 Form A/B
ASME RF, FF

Top flange:

EN ISO 5211

Marking:

EN 19

Tightness check:

EN 12266 (Leakage Rate A)

Working standard:

EN 593

Temperature range:

–40 °C to + 200 °C (depending on operation pressure)

Max. Operating pressure:

max. 6 bar (10 bar for spec. version)

Vacuum:

DN 350 - DN 600 max. 200mbar absolutDN 700 - DN 900 max. 500mbar absolut(with silicon elastomer inserts)